Proportional Hydraulic Flow Control Valve
Electronically controlled proportional valve for precise flow modulation in hydraulic transmission circuits of construction equipment. It varies oil flow proportionally to electrical input signals. HTS 8481.20.00 covers oleohydraulic transmission valves including proportional types.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If safety/relief function primary over flow control
Safety valves have dedicated classification regardless of transmission use.
If predominantly electronic solenoid without mechanical valve body
Pure electrical relays/switches exclude hydraulic function.
If excavator-specific bucket control valve
Parts of named construction machinery take machine heading.
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Import Tips & Compliance
• Document electronic control specifications and hydraulic ratings; electronic-only devices classify differently
• Include material safety data sheets for hydraulic fluids to confirm oleohydraulic classification
• Beware of 'smart valve' marketing that might trigger IoT device scrutiny
Related Products under HTS 8481.20.00
Hydraulic Solenoid Valve for Industrial Presses
A solenoid-operated valve designed for controlling hydraulic fluid flow in oleohydraulic transmission systems of industrial presses. It precisely regulates pressure and direction of oil flow to actuate cylinders. Classified under 8481.20.00 as it is specifically for oleohydraulic transmissions.
Pneumatic Directional Control Valve 5/2 Way
A 5/2-way pneumatic valve that directs compressed air flow in pneumatic transmission systems for automation. It switches between two actuator positions using five ports. Falls under 8481.20.00 for pneumatic transmission applications.
Pneumatic Poppet Valve for Air Cylinders
High-speed poppet design valve for rapid air switching in pneumatic cylinder transmission systems. Provides tight sealing for repetitive industrial automation cycles. Specifically for pneumatic transmissions per 8481.20.00.
Servo-Proportional Pneumatic Valve
High-response servo valve for precise pneumatic pressure control in robotic transmission systems. Provides sub-millisecond response for dynamic motion control. Oleohydraulic/pneumatic transmission valve per HTS 8481.20.00.
Cartridge-Type Hydraulic Valve
Insert-style cartridge valve for compact hydraulic manifold assemblies in mobile equipment transmissions. Provides directional, pressure, flow control in single unit. Standard oleohydraulic transmission classification 8481.20.00.
Explosion-Proof Pneumatic Valve
ATEX-certified pneumatic valve for hazardous location air transmission systems in oil/gas processing. Intrinsically safe design prevents ignition. Pneumatic transmission valve under 8481.20.00.